Kennen, Heart of the Tempest

Ninjutsu {2}{u}{r}
Whenever Kennen, Heart of the Tempest deals
combat damage to an opponent, he deals 1
damage to each creature that player controls. If
Kennen entered the battlefield this turn, tap
those creatures, they don't untap at the
beginning of their controller's next untap step.
You may return Kennen to his owner's hand.